GF82.20-P-5216RT Overhead Control Panel Control Unit, Component Description

GF82.20-P-5216RT Overhead Control Panel Control Unit, Component Description

Component Identification:

Location
The overhead control panel control unit is located in the front roof area of the headliner.

Component Identification:

Task
^ Control of the vehicle interior lights
^ Control of tilting/sliding roof (SR) drive unit (M12) with power glass tilting/sliding roof, code (414) or with panoramic sliding roof, code (413)
^ Gateway for rain/light sensor interface to Controller Area Network bus, class B (interior compartment) (CAN-B)
^ Gateway for dimming inside rearview mirror interface to CAN-B bus
^ Power supply for left sun visor with illuminated mirror (E14/1)
^ Power supply for right sun visor with illuminated mirror (E14/2)
^ Left dome lamp, 2nd seat row (E15/12)
^ Right dome lamp, 2nd seat row (E15/13)
^ Dome lamp, 3rd seat row (E15/3)
^ Center load compartment dome lamp (E15/4)
^ Inside rearview mirror power supply (A67) only with automatically dimming inside rearview mirror and outside mirror (driver) code (249)
^ Left reading lamp power supply (A67e1)
^ Right reading lamp power supply (A67e2)
^ Power supply for garage door opener transmitter unit (A67n2) only with garage door opener USA, code (232)

The overhead control panel control unit has the master function for the final switchoff of the interior vehicle illumination.The interior lamps are always switched on and off by dimming (exception: reading lamp).

With USA version, code (494): The SOS pushbutton is read in and supplied by the overhead control panel control unit.

Signal inputs:
^ Terminal 30
^ Terminal 31
^ Rain/light sensor (B38/2B38/)
^ Interior protection sensor (B44)
^ Hall sensor 1, SR (M12b1)
^ Hall sensor 2, SR (M12b2)

Signal outputs:
^ Power supply for left sun visor with illuminated mirror
^ Power supply for right sun visor with illuminated mirror
^ Power supply for tilting/sliding roof (SR) drive unit
^ Power supply for rain/light sensor
^ Power supply for interior protection sensor
^ Power supply for inside rearview mirror unit